| Amino Acid | 3 Letter Code | Single Letter Code | Residue Mass | ||
| Monoisotopic | Average | ||||
| Glycine | Gly | G | 57.052 | ||
| Alanine | Ala | A | 71.03712 | 71.079 | |
| Serine | Ser | S | 87.03203 | 87.078 | |
| Proline | Pro | P | 97.05277 | 97.117 | |
| Valine | Val | V | 99.06842 | 99.133 | |
| Threonine | Thr | T | 101.04768 | 101.105 | |
| Cysteine | Cys | C | 103.00919 | 103.144 | |
| Isoleucine | Ile | I | 113.08407 | 113.160 | |
| Leucine | Leu | L | 113.08407 | 113.160 | |
| Asparagine | Asn | N | 114.04293 | 114.104 | |
| Aspartic Acid | Asp | D | 115.02695 | 115.089 | |
| Glutamine | Gln | Q | 128.05858 | 128.131 | |
| Lysine | Lys | K | 128.09497 | 128.174 | |
| Glutamic Acid | Glu | E | 129.04260 | 129.116 | |
| Methionine | Met | M | 131.04049 | 131.198 | |
| Histidine | His | H | 137.05891 | 137.142 | |
| Phenylalanine | Phe | F | 147.06842 | 147.177 | |
| Arginine | Arg | R | 156.10112 | 156.188 | |
| Tyrosine | Tyr | Y | 163.06333 | 163.170 | |
| Tryptophan | Try | W | 186.07932 | 186.213 | |
| Homoserine Lactone | 83.03712 | 83.090 | |||
| Homoserine | 101.04768 | 101.105 | |||
| Pyroglutamic acid | 111.03203 | 111.100 | |||
| Carboxyamidomethyl Cysteine | 160.03065 | 160.197 | |||
| Carboxymethylcysteine | 161.01466 | 161.181 | |||
| Pyridylethylcysteine | 208.06703 |